devblogs.microsoft.com

Preallocating memory to avoid quadratic behavior.

Watch 20 top sessions from VS Live! Las Vegas 2026, covering AI, .NET, Azure, Visual Studio, and developer productivity, now streaming on YouTube.

Trespassing on system messages.

Azure MCP tools are now built into Visual Studio 2022 as part of the Azure development workload -- no separate extension to find, install, or update. You can enable over 230 tools across 45 Azure services directly in GitHub Copilot Chat and manage .. ...

.NET MAUI 11 adds pin clustering to the Map control, automatically grouping nearby pins into cluster markers. Learn how to enable clustering, create separate clustering groups, and handle cluster taps on Android and iOS.

Learn about the new Visual Studio debugger agent that helps streamline debugging, making it easier to tackle bug reports effectively.

We're shipping two major capabilities that change how security teams enable and act on application security in Azure DevOps: CodeQL default setup makes it possible to enable code scanning across your organization without configuring a single pipeline ...

Maybe it didn't really exit.

A recap of the latest servicing updates for .NET and .NET Framework for April 2026.

Find out about the new features in .NET 11 Preview 3 across the .NET runtime, SDK, libraries, ASP.NET Core, .NET MAUI, C#, Entity Framework Core, container images, and more!